<template>
  <div>
    <!-- 面包屑区域 -->
    <el-breadcrumb separator=">">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入" clearable @clear="getGoodsList" v-model="queryInfo.query">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
        <!--        表格-->
        <el-table :data="goodslist" border stripe>
          <el-table-column type="index"></el-table-column>
          <el-table-column label="商品名称" prop="goods_name"></el-table-column>
          <el-table-column label="商品价格" width="95px" prop="goods_price"></el-table-column>
          <el-table-column label="商品重量" width="70px" prop="goods_weight"></el-table-column>
          <el-table-column label="创建时间" width="200px">
            <template slot-scope="scope">
              {{ scope.row.add_time | dataFormat }}
            </template>
          </el-table-column>
          <el-table-column label="操作" width="200px">
            <template slot-scope="scope">
              <el-button size="mini" type="danger" icon="el-icon-edit">编辑</el-button>
              <el-button size="mini" type="primary" icon="el-icon-delete" @click="removeById(scope.row.goods_id)">删除
              </el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页功能-->
        <el-pagination background @size-change="handleSizeChange" @current-change="handleCurrentChange"
                       :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize"
                       layout="total, sizes, prev, pager, next, jumper" :total="total">
        </el-pagination>
      </el-row>
    </el-card>
  </div>
</template>
<script>
export default {
  data() {
    return {
      goodslist: [],
      total: 0,
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      }
    }
  },
  methods: {
    //跳转到添加商品页面
    goAddPage(){
      this.$router.push('/goods/add')
    },
    //删除商品
    async removeById(goods_id) {
      // console.log(goods_id)
      //询问是否删除
      const res = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(error => error)
      //如果取消 返回 cancel
      //如果确定 返回 confirm
      if (res !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: re } = await this.$http.delete(`goods/${goods_id}`)
      // console.log(re)
      if (re.meta.status !== 200) {
        return this.$message.error(re.meta.msg)
      }
      this.$message.success('删除商品成功！')
      this.getGoodsList()
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    //分页获取商品
    async getGoodsList() {
      const { data: res } = await this.$http.get(`goods`, {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error(res.meta.msg)
      }
      this.goodslist = res.data.goods
      this.total = res.data.total
    }
  },
  created() {
    this.getGoodsList()
  }

}
</script>
<style scoped lang="less">

</style>